Module 4

Module 4

1. Simplifying Fractions

   • Fundamental Property of Rational Numbers
     • 10/35=2*5/7*5

2. Mixed Numbers

   • Is a combination of a whole number and a fraction
     • 3 2/5=(3*5)+2/5=17/5

3. Multiplication and Division of Fractions

   • -a/b=a/-b
   • 3/4*1/3=3/2*2*3=1/4
   • (5/13)/1/5=25/13

4. Addition and Substraction of Fractions

   • 1/3+7/3+5/3=13/3
   • 1/2-1/6=1/3
   • -2/28-3/7+3/14=8/28
   • With different denominators
     • 1/3+1/2=5/6
     • 5/7-4/9=45-28/63=17/63
     • 5/4-17/32-11/6=120-51-176/96

5. Order of Operations and Complex Fractions

   • (11/12-5/12)/(13/6-17/6)=-3/4